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# Re: E-Mail Adresses

- Date: Sun, 21 Jan 1996 21:41:03 PST
- From:
- CC: david@castle.net, moo-cows@parc.xerox.com
- In-reply-to: <v02130501ad28a18d731f@[206.102.200.154]> (mpauker@peganet.com)

    >>>>> "Matt" == Matt Pauker <mpauker@peganet.com> writes:

        Matt> At 5:50 PM 1/21/96, David Matovich wrote:
        >> would it be possible to 'check-out' a given E-MAIL address to
        >> see if it actually exists.  Like if passed "david@castle.net"
        >> it returns 1, but if I passed it "asfk@castle.net" it would
        >> return 0.

        Matt> You could just finger the user - Connect to port 79 of the
        Matt> domain (In this case castle.net), and just send the username
        Matt> (david).  If you get anything other than:

        Matt> finger: <username>: no such user

        Matt> Then the email is valid.

    You also have to allow for hosts that do not support finger!

        Matt> Though I must say this is really overkill.  After all,
        Matt> someone would be pretty dumb to enter the wrong email during
        Matt> creation - They would be able to get their password...

        Matt> Matt Pauker

References:

- Re: E-Mail Adresses

- From: mpauker@peganet.com (Matt Pauker)

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